189120794 has 16 divisors (see below), whose sum is σ = 305558880. Its totient is φ = 87499440.

The previous prime is 189120781. The next prime is 189120797. The reversal of 189120794 is 497021981.

It is not an unprimeable number, because it can be changed into a prime (189120797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56237 + ... + 59504.

It is an arithmetic number, because the mean of its divisors is an integer number (19097430).

Almost surely, 2^189120794 is an apocalyptic number.

189120794 is a deficient number, since it is larger than the sum of its proper divisors (116438086).

189120794 is a wasteful number, since it uses less digits than its factorization.

189120794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115805.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 189120794 is about 13752.1196184443. The cubic root of 189120794 is about 574.0015883763.

The spelling of 189120794 in words is "one hundred eighty-nine million, one hundred twenty thousand, seven hundred ninety-four".